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5-Bromo-4-fluoro-1H-indazole
English Name: 5-Bromo-4-fluoro-1H-indazole English Other Names: 5-Bromo-4-fluoro-1H-indazole; 5-Bromo-4-fluoro (1H)indazole CAS Number: 1082041-85-7 Chemical Formula: C₇H₄BrFN₂ Molecular Weight: 215.02 g/mol InChI: InChI=1S/C₇H₄BrFN₂/c8-5-1-2-6-4(7(5)9)3-10-11-6/h1-3H,(H,10,11) InChIKey: YJOQUFUS...Read more -
2-Cyanoethyltriethoxysilane
English Name: 2-Cyanoethyltriethoxysilane English Other Names: (2-Cyanoethyl)triethoxysilane; 3-(Triethoxysilyl)propionitrile; 3-triethoxysilylpropanenitrile; (2-cyanoethyl)triethoxy-silan; beta-cyanoethyltriethoxysilane CAS Number: 919-31-3 EINECS Number: 213-050-5 Chemical Formula: C₉H₁₉NO₃Si M...Read more -
3,3′,5,5′-Tetramethylbenzidine
English Name: 3,3′,5,5′-Tetramethylbenzidine English Synonyms: TMB; 4,4′-Bi-2,6-xylidine; 4,4′-Diamino-3,3′,5,5′-tetramethylbiphenyl; TMB substrate; BM blue CAS No.: 54827-17-7 EINECS No.: 259-364-6 Chemical Formula: C₁₆H₂₀N₂ Molecular Weight: 240.34 InChI 1S/C...Read more -
Diethylaminosulfur trifluoride
English Name: Diethylaminosulfur trifluoride English Synonyms: DAST; ET2NSF3; DIETHYLAMINOSULPHUR TRIFLUORIDE; (diethylamino)trifluorosulfur; Diethylamine sulfur trifluoride CAS No.: 38078-09-0 EINECS No.: 253-771-2 Chemical Formula: C₄H₁₀F₃NS Molecular Weight: 161.19 g/mol InChI: InChI=1/C4H10F3...Read more -
Tri-p-Tolylphosphine: A “Hidden Champion” Ligand in Organic Synthesis
In the fields of organometallic chemistry and catalysis, tri-p-tolylphosphine (P(p-tolyl)₃) is gradually moving from the background to the forefront. As an important derivative of triphenylphosphine (PPh₃), this compound, which appears to be merely a benzene ring with three additional methyl grou...Read more -
Tri-o-Tolylphosphine: A “Hidden Champion” in Palladium-Catalyzed Cross-Coupling Reactions
In the vast constellation of organic synthetic chemistry, tri-o-tolylphosphine (o-Tol₃P) may not be as widely known as triphenylphosphine, but its role in modern drug synthesis and materials science is irreplaceable. This white crystalline organophosphine ligand (CAS: 6163-58-2), thanks to its un...Read more -
3,3′,5,5′-Tetramethylbenzidine (TMB): A “Blue Revolution” from Laboratory to Clinical Diagnostics
In modern medical diagnostics and life science research, a seemingly ordinary white crystalline powder carries the hope of countless early disease screenings—this is 3,3′,5,5′-tetramethylbenzidine (TMB). When this compound encounters hydrogen peroxide under the catalysis of peroxidase...Read more -
Diethylaminosulfur trifluoride (DAST): The “Swiss Army Knife” of fluorination reactions
In the vast field of organic synthetic chemistry, diethylaminosulfur trifluoride (DAST) is a legend in the world of fluorinating reagents. Since its initial report by Middleton in the 1970s, this seemingly ordinary yellowish-brown liquid has become one of the most indispensable nucleophilic fluor...Read more -
2-Tolylboronic acid: The “star molecule” in the Suzuki coupling reaction
In the constellation of modern organic synthetic chemistry, 2-Tolylboronic acid (CAS: 16419-60-6) undoubtedly shines brightly. As an important member of the organoboronic acid family, this seemingly simple white crystalline powder plays an irreplaceable role in drug synthesis, materials science, ...Read more -
Great Start
On the eighth day of the first lunar month, we welcome the start of the new year. May 2026 bring a prosperous year, with wealth rolling in! Let’s begin a year full of luck, carrying our New Year’s wishes and striding forward with our heads held high. In the new year, may we face the r...Read more -
4-Methoxyphenylboronic acid: An “electron donor” and a multifunctional chemical building block in organic synthesis
In the constellation of Suzuki coupling reactions, 4-methoxyphenylboronic acid (4-MPBA CAS 5720-07-0) shines like an unassuming yet indispensable star. This seemingly simple molecule—a benzene ring decorated with a methoxy group and a boric acid group at the para-position—plays a crucial role in ...Read more -
4-Tolylboronic Acid Powers Modern Industries Today
You see 4-Tolylboronic acid at work in many industries today. This compound helps you create new medicines, develop advanced materials, and improve electronic devices. You use it in organic synthesis, especially in Suzuki reactions, to build complex molecules. Its off-white crystals show high sta...Read more
